... screen(0.8 inches LED), the insert depth of the instrument is 65 mm and the size of surface panel 48 ... type or transformed type DC, DV, AC, AV>>Model SeriesN(Series)Size of surface(mm)Display modeAdditional functionInput typeInput modeNF(H ... meterP:Power meterZ:direct typeB:transformed type NF(H)-300 Series Intelligent Digital Electric Instrument